APA (7th ed.) Citation
Kotler, P., & Armstrong, G. (2006). Principles of marketing (11th.ed.). Prentice Hall.
Chicago Style (17th ed.) Citation
Kotler, Philip, and Gary Armstrong. Principles of Marketing. 11th.ed. New Jersey: Prentice Hall, 2006.
MLA (9th ed.) Citation
Kotler, Philip, and Gary Armstrong. Principles of Marketing. 11th.ed. Prentice Hall, 2006.
Warning: These citations may not always be 100% accurate.